on cell phones and the dashboard cameras of cars, so popular here in russia. the blast was so powerful, it knocked down a wall at this factory. in all, over 1,200 people were injured, mostly from broken glass. 3,000 buildings damaged, over a million square feet of glass shattered. many were injured after going to the window to check out the flash in the sky. the glass shattered and bounced back on me. my beard was cut open, this man says. the meteor was believed to be about 50 feet wide, weighing a whopping 7,700 tons. that's about the same as the eiffel tower. it raced toward the earth at over 40,000 miles an hour. as it crashed into the atmosphere, it began to break into pieces, causing those booms and sending those powerful shockwaves towards the ground, rocking a zone stretching hundreds of miles away. the shockwaves causing all the damage. as for pieces of the meteor, one of the bigger chunks landed here, leaving that massive hole in the frozen lake.